wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/1e7e0f6a-a50f-4fb7-b733-35dd38b60b48/4DNFIE8AHXMQ.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/1e7e0f6a-a50f-4fb7-b733-35dd38b60b48/4DNFIE8AHXMQ.flex 005010036.flex
test "ad520e1c037687a98bc1134393f3deef" = "$(md5sum 005010036.flex)"
drs get -d https://data.4dnucleome.org 4DNFIE8AHXMQ